Hermann Wollnik
23Patents
10h-index
17Co-inventors
72Inventor score
Filing activity: Dec 12, 1977 → Mar 25, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5644128A | Fast timing position sensitive detector | Electricity | 90 | Expired |
| US5017780A | Ion reflector | Electricity | 52 | Expired |
| US4445516A | Process for the digitization and display of thermographic records | Physics | 30 | Expired |
| US4904872A | Method for generating extremely short ion pulses of high intensity from a pulsed ion source | Electricity | 26 | Expired |
| US4486664A | Arrangement and process for adjusting imaging systems | Electricity | 22 | Expired |
| US8952325B2 | Co-axial time-of-flight mass spectrometer | Electricity | 18 | Active |
| US8067747B2 | Parallel plate electrode arrangement apparatus and method | Physics | 16 | Active |
| US5233189A | Time-of-flight mass spectrometer as the second stage for a tandem mass spectrometer | Electricity | 13 | Expired |
| US4924090A | Double focusing mass spectrometer and MS/MS arrangement | Electricity | 11 | Expired |
| US5191212A | Analytical system with electrothermal atomizer and mass spectrometer for atomic and molecular analysis | Physics | 10 | Expired |
| US4633208A | Magnetic multi-pole arrangement of the nth order | Electricity | 8 | Expired |
| US7772548B2 | “Droplet pickup ion source” coupled to mobility analyzer apparatus and method | Electricity | 7 | Active |
| US7863562B2 | Method and apparatus for digital differential ion mobility separation | Physics | 4 | Active |
| US4164652A | Process and arrangement for registration of ion-, electron- and light-spectra | Physics | 4 | Expired |
| US4187485A | Coil arrangement for electromagnetically influencing magnetic fields, in particular for homogenizing magnetic dipoles | Electricity | 4 | Expired |
| US8138474B2 | Method and apparatus for digital differential ion mobility separation | Physics | 3 | Active |
| US8969795B2 | Curtain gas filter for mass- and mobility-analyzers that excludes ion-source gases and ions of high mobility | Electricity | 3 | Active |
| US8013296B2 | Charged-particle condensing device | Electricity | 2 | Active |
| US9595432B2 | Time-of-flight mass spectrometer and a method of analysing ions in a time-of-flight mass spectrometer | Electricity | 2 | Active |
| US9508535B2 | Ion-mobility spectrometer including a decelerating ion gate | Electricity | 1 | Active |
| US10184914B2 | Parallel plate-type non-uniform electric field ion mobility spectrometry device | Electricity | 0 | Active |
| US8809775B2 | Curtain gas filter for high-flux ion sources | Electricity | 0 | Active |
| US10930485B2 | Ion source for an ion mobility spectrometer | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.